<p><span style="padding: 3px 10px; border-radius: 5px; color: #ffffff; font-weight: bold; display: inline-block; background-color: #ff0000;"> External Email - Use Caution </span></p><p></p><div dir="ltr">Hi, <div> I am new to MNE. Can someone please tell me how to represent the EEG data in .csv file format as 3 dimensional input (Ntrails x Nchannels x sample ) to be fed for the following code using pyriemann package. </div><div><br></div><div><pre style="box-sizing:border-box;font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;font-size:13.6px;margin-top:0px;margin-bottom:0px;padding:16px;overflow:auto;line-height:1.45;border-radius:6px;word-break:normal;color:rgb(36,41,47)"><span class="gmail-pl-k" style="box-sizing:border-box">import</span> <span class="gmail-pl-s1" style="box-sizing:border-box">pyriemann</span>
<span class="gmail-pl-k" style="box-sizing:border-box">from</span> <span class="gmail-pl-s1" style="box-sizing:border-box">sklearn</span>.<span class="gmail-pl-s1" style="box-sizing:border-box">model_selection</span> <span class="gmail-pl-k" style="box-sizing:border-box">import</span> <span class="gmail-pl-s1" style="box-sizing:border-box">cross_val_score</span>
<span class="gmail-pl-c" style="box-sizing:border-box"># load your data</span>
<span class="gmail-pl-v" style="box-sizing:border-box">X</span> <span class="gmail-pl-c1" style="box-sizing:border-box">=</span> ... <span class="gmail-pl-c" style="box-sizing:border-box"># your EEG data, in format Ntrials x Nchannels X Nsamples</span>
<span class="gmail-pl-s1" style="box-sizing:border-box">y</span> <span class="gmail-pl-c1" style="box-sizing:border-box">=</span> ... <span class="gmail-pl-c" style="box-sizing:border-box"># the labels</span>
<span class="gmail-pl-c" style="box-sizing:border-box"># estimate covariances matrices</span>
<span class="gmail-pl-s1" style="box-sizing:border-box">cov</span> <span class="gmail-pl-c1" style="box-sizing:border-box">=</span> <span class="gmail-pl-s1" style="box-sizing:border-box">pyriemann</span>.<span class="gmail-pl-s1" style="box-sizing:border-box">estimation</span>.<span class="gmail-pl-v" style="box-sizing:border-box">Covariances</span>().<span class="gmail-pl-en" style="box-sizing:border-box">fit_transform</span>(<span class="gmail-pl-v" style="box-sizing:border-box">X</span>)
<span class="gmail-pl-c" style="box-sizing:border-box"># cross validation</span>
<span class="gmail-pl-s1" style="box-sizing:border-box">mdm</span> <span class="gmail-pl-c1" style="box-sizing:border-box">=</span> <span class="gmail-pl-s1" style="box-sizing:border-box">pyriemann</span>.<span class="gmail-pl-s1" style="box-sizing:border-box">classification</span>.<span class="gmail-pl-v" style="box-sizing:border-box">MDM</span>()
<span class="gmail-pl-s1" style="box-sizing:border-box">accuracy</span> <span class="gmail-pl-c1" style="box-sizing:border-box">=</span> <span class="gmail-pl-en" style="box-sizing:border-box">cross_val_score</span>(<span class="gmail-pl-s1" style="box-sizing:border-box">mdm</span>, <span class="gmail-pl-s1" style="box-sizing:border-box">cov</span>, <span class="gmail-pl-s1" style="box-sizing:border-box">y</span>)
<span class="gmail-pl-en" style="box-sizing:border-box">print</span>(<span class="gmail-pl-s1" style="box-sizing:border-box">accuracy</span>.<span class="gmail-pl-en" style="box-sizing:border-box">mean</span>())</pre><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><font face="'times new roman', serif" color="#999900">regards,<br></font><div><b><i><font face="'times new roman', serif" color="#999900">M.Bhuvaneshwari,<br></font></i></b></div><div><b style="color:rgb(153,153,0);font-family:"times new roman",serif"><i>Research Scholar,</i></b><br></div></div><div><b style="color:rgb(153,153,0);font-family:"times new roman",serif"><i>Karunya Institute of technology and Sciences</i></b></div><div><font color="#999900" face="times new roman, serif"><b><i>Coimbatore.<br></i></b></font></div></div></div></div></div></div></div></div></div></div>